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Toronto in October

Find out everything about the water temperature in Toronto in October. Average, minimum and maximum recorded temperatures as well as daily temperature in October for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in October
Minimum:

63.4 °F

Average:

66.9 °F

Maximum:

71.3 °F

Sea water temperature in Toronto in October

In the city of Toronto, the month of October is somewhat comfortable for swimming. The minimum recorded temperature during this month was 63.4°F on October 1, 2018, with an average temperature being 66.9°F and a maximum temperature reaching 71.3°F on October 25, 2023.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In October, the sea temperature remains relatively stable. The average temperature stays close to 66.9°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Oct 1 65.6°F 65.9°F 69.4°F
Oct 2 65.7°F 65.8°F 68.7°F
Oct 3 66.0°F 66.2°F 69.8°F
Oct 4 66.1°F 65.4°F 69.1°F
Oct 5 66.4°F 66.0°F 70.2°F
Oct 6 66.4°F 66.7°F 69.4°F
Oct 7 66.5°F 67.5°F 69.1°F
Oct 8 66.5°F 67.5°F 69.9°F
Oct 9 66.5°F 67.1°F 68.4°F
Oct 10 66.7°F 67.9°F 68.4°F
Oct 11 66.6°F 67.6°F 68.2°F
Oct 12 66.7°F 68.4°F 69.2°F
Oct 13 66.5°F 68.4°F 68.4°F
Oct 14 66.6°F 67.9°F 68.9°F
Oct 15 66.7°F 67.6°F 69.3°F
Oct 16 66.6°F 67.6°F 69.2°F
Oct 17 66.8°F 67.7°F 69.3°F
Oct 18 66.7°F 68.8°F 68.5°F
Oct 19 66.7°F 68.3°F 68.2°F
Oct 20 66.8°F 68.4°F 69.5°F
Oct 21 67.0°F 68.2°F 69.4°F
Oct 22 67.0°F 67.5°F 69.8°F
Oct 23 67.2°F 67.5°F 70.5°F
Oct 24 67.5°F 69.1°F 71.0°F
Oct 25 67.9°F 70.4°F 71.3°F
Oct 26 67.9°F 69.8°F 70.7°F
Oct 27 68.1°F 69.3°F 70.3°F
Oct 28 68.1°F 69.2°F 70.2°F
Oct 29 68.4°F 69.5°F 71.2°F
Oct 30 68.5°F 71.3°F 70.2°F
Oct 31 68.4°F 70.8°F 70.1°F

Sea water temperature in Toronto by month

In Toronto, the months January through March offer comfortable swimming conditions, which amounts to 85 swimming days. The warmest water in Toronto was recorded on February 2, 2020, reaching a 82.7°F. While the coldest temperature occurred on August 25, 2018, dipping to 60.7°F. The average readings by season are 73.7°F in Winter, 72.0°F in Spring, 64.7°F in Summer, and 67.0°F in Autumn. The average temperature in October is slightly warmer than September's average of 64.5°F. And in November, the temperature is expected to rise further, potentially reaching an average of 69.6°F.